Index: trunk/doc/user/02_model/index.html
===================================================================
--- trunk/doc/user/02_model/index.html	(revision 9624)
+++ trunk/doc/user/02_model/index.html	(revision 9625)
@@ -432,8 +432,8 @@
 <h3> 2.5. comparison of terms </h3>
 <p>
 <table border=1>
-	<caption><b>pc-brnd Terminology Sources</b>
-	<tr><th> physical board term     <th> pcb-rnd term
+	<caption><b>Pcb-rnd Terminology</b>
+	<tr><th> Physical board          <th> pcb-rnd 
 	<tr><td> layer                   <td> layer group
 	<tr><td> copper layer            <td> layer group with copper layers
 	<tr><td> substrate               <td> N/A
@@ -441,4 +441,6 @@
 	<tr><td> outline routing path    <td> outline layer
 	<tr><td> polygon pour            <td> polygon
 	<tr><td> plane                   <td> polygon
+	<tr><td> mask                    <td> mask (available: auto, add, subtract)
+	<tr><td> silk                    <td> silk (available: auto, add, subtract)
 </table>